Re: [External] Join queries slow with predicate, limit, and ordering

2019-12-03 Thread Aufar Gilbran
Thanks for the answer! On Tue, Dec 3, 2019 at 8:39 AM Jeff Janes wrote: > What happens if you set enable_sort to off before running it? Turning enable_sort to off makes the first query to not sort[1]. It does run much slower though compared to the original query[2]. This time I do VACUUM ANALYZE

Re: [External] Join queries slow with predicate, limit, and ordering

2019-12-02 Thread Jeff Janes
On Mon, Dec 2, 2019 at 8:29 AM Aufar Gilbran wrote: > Hello, > > I'm trying to figure out how to optimise 3-table (many-to-many relation) > joins > with predicate, limit, and ordering, where one of the tables returns at > most one > row. > > This is the query that I have right now: > > SELECT ent